a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2022, 16:17

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General

Target

a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af.exe
Size

1.1MB
MD5

530113b6b6a479e9cfcd1687a5cbf6e1
SHA1

97acef4ba4acc9b9de631967749b983269ab785f
SHA256

a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af
SHA512

fc7c469cf33cf11a5da4f6c8c9fcf363e9905674411c2cfe01d684f98b76072a1d44fb81fa96e7f82c233f04b8632904b2be2046bd69b09120c3e6802e598d6c
SSDEEP

24576:O8pfdTwN1KZ+BERUkAeyT/g3OWvc6uKWGBElKRUVvgl:O8rwN16+BQUne6/UOCBEEUV

Score

8^/10

vmprotect

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1624	empty.exe

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/4460-132-0x0000000000400000-0x00000000006F9000-memory.dmp	vmprotect
behavioral2/memory/4460-133-0x0000000000400000-0x00000000006F9000-memory.dmp	vmprotect
behavioral2/memory/4460-139-0x0000000000400000-0x00000000006F9000-memory.dmp	vmprotect

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\empty.exe	a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	empty.exe
Token: 33	1624	empty.exe
Token: SeIncBasePriorityPrivilege	1624	empty.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4460	a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af.exe
4460	a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af.exe
4460	a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af.exe
4460	a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 1624	4460	a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af.exe	82
PID 4460 wrote to memory of 1624	4460	a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af.exe	82
PID 4460 wrote to memory of 1624	4460	a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af.exe	82

C:\Users\Admin\AppData\Local\Temp\a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af.exe
"C:\Users\Admin\AppData\Local\Temp\a98578620b3dea31db4ea34d10f219d2ef63be6f904806d7b152d782fc3e14af.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Windows\empty.exe
  C:\Windows\empty.exe 4460
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1624

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\empty.exe

Filesize
9KB

MD5
523d5c39f9d8d2375c3df68251fa2249

SHA1
d4ed365c44bec9246fc1a65a32a7791792647a10

SHA256
20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

SHA512
526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

Download Submit
C:\Windows\empty.exe

Filesize
9KB

MD5
523d5c39f9d8d2375c3df68251fa2249

SHA1
d4ed365c44bec9246fc1a65a32a7791792647a10

SHA256
20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

SHA512
526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

Download Submit
memory/4460-132-0x0000000000400000-0x00000000006F9000-memory.dmp

Filesize
3.0MB

Download
memory/4460-133-0x0000000000400000-0x00000000006F9000-memory.dmp

Filesize
3.0MB

Download
memory/4460-139-0x0000000000400000-0x00000000006F9000-memory.dmp

Filesize
3.0MB

Download